In 'Out There' (Grand Central Publishing, 2018), Space.com senior writer Mike Wall tackles the search for alien life from many different angles and discusses humanity's drive to get off its natal rock. Read an excerpt from the new book here.
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Before that happens, we need to recognize that a very real possibility exists that the first human steps on the Martian surface will lead to a collision between terrestrial life and biota native to Mars.
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An eerie, marmalade-colored light show made Earth look like a gigantic orange lollipop early this morning (Nov. 7), prompting an astronaut aboard the International Space Station to snap a photo of it to share with Earthlings down below.
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